1011220211201 has 32 divisors (see below), whose sum is σ = 1077408000000. Its totient is φ = 946423222272.

The previous prime is 1011220211189. The next prime is 1011220211219. The reversal of 1011220211201 is 1021120221101.

It is a cyclic number.

It is not a de Polignac number, because 1011220211201 - 2¹⁰ = 1011220210177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011220211101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337184300 + ... + 337187298.

It is an arithmetic number, because the mean of its divisors is an integer number (33669000000).

Almost surely, 2^{1011220211201} is an apocalyptic number.

It is an amenable number.

1011220211201 is a deficient number, since it is larger than the sum of its proper divisors (66187788799).

1011220211201 is a wasteful number, since it uses less digits than its factorization.

1011220211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011220211201 its reverse (1021120221101), we get a palindrome (2032340432302).

The spelling of 1011220211201 in words is "one trillion, eleven billion, two hundred twenty million, two hundred eleven thousand, two hundred one".